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[libgdx] Constraints only updateLocalTransform when necessary.

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This commit is contained in:
Nathan Sweet 2025-04-20 01:02:55 -04:00
parent db69ea75ce
commit 913e694e22
7 changed files with 36 additions and 17 deletions
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3
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/BoneLocal.java
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@ -36,9 +36,6 @@ public class BoneLocal implements Pose<BoneLocal> {
float x, y, rotation, scaleX, scaleY, shearX, shearY;
Inherit inherit;
BoneLocal () {
}
public void set (BoneLocal pose) {
if (pose == null) throw new IllegalArgumentException("pose cannot be null.");
x = pose.x;

12
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/BonePose.java
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@ -16,9 +16,7 @@ public class BonePose extends BoneLocal implements Update {
float a, b, worldX;
float c, d, worldY;
int update;
BonePose () {
}
boolean localDirty;
/** Called by {@link Skeleton#updateCache()} to compute the world transform, if needed. */
public void update (Skeleton skeleton, Physics physics) {
@ -31,6 +29,7 @@ public class BonePose extends BoneLocal implements Update {
* Runtimes Guide. */
public void updateWorldTransform (Skeleton skeleton) {
update = skeleton.update;
localDirty = false;
if (bone.parent == null) { // Root bone.
float sx = skeleton.scaleX, sy = skeleton.scaleY;
@ -140,6 +139,7 @@ public class BonePose extends BoneLocal implements Update {
* calling this method is equivalent to the local transform used to compute the world transform, but may not be identical. */
public void updateLocalTransform (Skeleton skeleton) {
update = skeleton.update;
localDirty = false;
if (bone.parent == null) {
x = worldX - skeleton.x;
@ -218,6 +218,12 @@ public class BonePose extends BoneLocal implements Update {
}
}
/** When true, the world transform has been modified and the local transform no longer matches. Call
* {@link #updateLocalTransform(Skeleton)} before using the local transform. */
public boolean isLocalDirty () {
return localDirty;
}
/** Part of the world transform matrix for the X axis. If changed, {@link #updateLocalTransform(Skeleton)} should be called. */
public float getA () {
return a;

3
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/IkConstraint.java
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@ -114,6 +114,7 @@ public class IkConstraint extends Constraint<IkConstraint, IkConstraintData, IkC
static public void apply (Skeleton skeleton, BonePose bone, float targetX, float targetY, boolean compress, boolean stretch,
boolean uniform, float alpha) {
if (bone == null) throw new IllegalArgumentException("bone cannot be null.");
if (bone.localDirty) bone.updateLocalTransform(skeleton);
BonePose p = bone.bone.parent.applied;
float pa = p.a, pb = p.b, pc = p.c, pd = p.d;
float rotationIK = -bone.shearX - bone.rotation, tx, ty;
@ -176,6 +177,8 @@ public class IkConstraint extends Constraint<IkConstraint, IkConstraintData, IkC
if (parent == null) throw new IllegalArgumentException("parent cannot be null.");
if (child == null) throw new IllegalArgumentException("child cannot be null.");
if (parent.inherit != Inherit.normal || child.inherit != Inherit.normal) return;
if (parent.localDirty) parent.updateLocalTransform(skeleton);
if (child.localDirty) child.updateLocalTransform(skeleton);
float px = parent.x, py = parent.y, psx = parent.scaleX, psy = parent.scaleY, csx = child.scaleX;
int os1, os2, s2;
if (psx < 0) {

2
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
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@ -196,7 +196,7 @@ public class PathConstraint extends Constraint<PathConstraint, PathConstraintDat
bone.c = sin * a + cos * c;
bone.d = sin * b + cos * d;
}
bone.updateLocalTransform(skeleton);
bone.localDirty = true;
bone.bone.resetUpdate(skeleton);
}
}

2
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java
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@ -263,7 +263,7 @@ public class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsCons
tx = l * bone.a;
ty = l * bone.c;
}
bone.updateLocalTransform(skeleton);
bone.localDirty = true;
bone.bone.resetUpdate(skeleton);
}

21
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slider.java
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@ -53,14 +53,25 @@ public class Slider extends Constraint<Slider, SliderData, SliderPose> {
public void update (Skeleton skeleton, Physics physics) {
if (pose.mix == 0) return;
SliderPose pose = applied;
data.animation.apply(skeleton, pose.time, pose.time, false, null, pose.mix, MixBlend.replace, MixDirection.in, true);
Timeline[] timelines = data.animation.timelines.items;
int timelineCount = data.animation.timelines.size;
Bone[] bones = skeleton.bones.items;
for (int i = 0; i < timelineCount; i++)
if (timelines[i] instanceof BoneTimeline boneTimeline) bones[boneTimeline.getBoneIndex()].resetUpdate(skeleton);
if (pose.mix == 1) {
for (int i = 0; i < timelineCount; i++)
if (timelines[i] instanceof BoneTimeline timeline) bones[timeline.getBoneIndex()].resetUpdate(skeleton);
} else {
for (int i = 0; i < timelineCount; i++) {
if (timelines[i] instanceof BoneTimeline timeline) {
Bone bone = bones[timeline.getBoneIndex()];
bone.resetUpdate(skeleton);
if (bone.applied.localDirty) bone.applied.updateLocalTransform(skeleton);
}
}
}
SliderPose pose = applied;
data.animation.apply(skeleton, pose.time, pose.time, false, null, pose.mix, MixBlend.replace, MixDirection.in, true);
}
void sort (Skeleton skeleton) {
@ -68,7 +79,7 @@ public class Slider extends Constraint<Slider, SliderData, SliderPose> {
int timelineCount = data.animation.timelines.size;
Bone[] bones = skeleton.bones.items;
for (int i = 0; i < timelineCount; i++)
if (timelines[i] instanceof BoneTimeline boneTimeline) skeleton.sortBone(bones[boneTimeline.getBoneIndex()]);
if (timelines[i] instanceof BoneTimeline timeline) skeleton.sortBone(bones[timeline.getBoneIndex()]);
skeleton.updateCache.add(this);

10
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/TransformConstraint.java
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@ -68,16 +68,18 @@ public class TransformConstraint extends Constraint<TransformConstraint, Transfo
&& pose.mixShearY == 0) return;
TransformConstraintData data = this.data;
boolean localFrom = data.localSource, localTarget = data.localTarget, additive = data.additive, clamp = data.clamp;
boolean localSource = data.localSource, localTarget = data.localTarget, additive = data.additive, clamp = data.clamp;
BonePose source = this.source.applied;
if (localSource && source.localDirty) source.updateLocalTransform(skeleton);
FromProperty[] fromItems = data.properties.items;
int fn = data.properties.size;
BonePose[] bones = this.bones.items;
for (int i = 0, n = this.bones.size; i < n; i++) {
BonePose bone = bones[i];
if (localTarget && bone.localDirty) bone.updateLocalTransform(skeleton);
for (int f = 0; f < fn; f++) {
FromProperty from = fromItems[f];
float value = from.value(data, source, localFrom) - from.offset;
float value = from.value(data, source, localSource) - from.offset;
ToProperty[] toItems = from.to.items;
for (int t = 0, tn = from.to.size; t < tn; t++) {
ToProperty to = toItems[t];
@ -95,8 +97,8 @@ public class TransformConstraint extends Constraint<TransformConstraint, Transfo
}
if (localTarget)
bone.updateWorldTransform(skeleton);
else
bone.updateLocalTransform(skeleton);
else
bone.localDirty = true;
bone.bone.resetUpdate(skeleton);
}
}